CN103067792B - Media data playing device and back method thereof - Google Patents
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- CN103067792B CN103067792B CN201210538642.8A CN201210538642A CN103067792B CN 103067792 B CN103067792 B CN 103067792B CN 201210538642 A CN201210538642 A CN 201210538642A CN 103067792 B CN103067792 B CN 103067792B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
- H04N21/41265—The peripheral being portable, e.g. PDAs or mobile phones having a remote control device for bidirectional communication between the remote control device and client device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/4147—PVR [Personal Video Recorder]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
- H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/87—Regeneration of colour television signals
Abstract
A kind of media data playing device, can perform back method with different section in parallel broadcasting media stream data, wherein a section is the section of playback.Described media data playing device shows the playing progress rate of described playback section on progress axle, and provides the playback position of described playback section when playback to switch, and namely provides the random access capabilities of media data playback, adds the convenience of media data playback.
Description
Subject application is the date of application is on April 1st, 2010, and application number is 201010137400.9, and denomination of invention is the segmented speech of the patent application case of " media data playing device and back method thereof ".
Technical field
The present invention relates to media data playing device, particularly relate to a kind of back method of media data playing device.
Background technology
Radiovisor, namely TV set-top box (set-topbox) is commonly referred to as, be used for the channel number that Management Television machine do not support, and channel signals descrambling (descramble), deciphering (decrypt), decoding (decode) are produced video and relevant information thereof, such as listing (programguide) afterwards.Digital TV set-top box a bit has rigid disk and is used for storing TV programme for playback in the future.When needing the fragment in playback film, this function is really helpful.But, if the film of playback is longer, be just difficult to find the fragment wanted.
Summary of the invention
In order to solve described problem, the present invention proposes a kind of execution mode of media data playing device, comprising receiver, buffer rcgister, acquisition unit, parser unit, translator unit and combiner.Described receiver receiving media data stream.Described buffer rcgister comprises first, second and third buffer rcgister.Described acquisition unit copies and the first section storing described media data flow respectively becomes the first duplicate and the second duplicate in first and second buffer rcgister described, produce and the 3rd duplicate storing described second duplicate in described 3rd buffer rcgister to respond play-back command, the second section of wherein said media data flow replaces first and second duplicate described in first and second buffer rcgister described.Described parser unit comprises first and second parser and dissects described second section of described first buffer rcgister and described 3rd duplicate of described 3rd buffer rcgister respectively with parallel processing.Described translator unit comprises first and second decoder with parallel processing described second section that dissected of decoding and described 3rd duplicate that dissected respectively.Described combiner is from described 3rd duplicate of decoding and described second members vision signal.
In addition, the present invention proposes a kind of execution mode of media data back method, is executed in the media data playing device comprising first, second and third buffer rcgister.Described media data playing device comprises first, second and third buffer rcgister and is electrically connected display.Described media data back method comprises: receiving media data stream; To copy and the first section storing described media data flow respectively becomes the first duplicate and the second duplicate in first and second buffer rcgister described; Produce and the 3rd duplicate storing described second duplicate in described 3rd buffer rcgister to respond play-back command, the second section of wherein said media data flow replaces first and second duplicate described in first and second buffer rcgister described; First and second parser of described media data playing device is utilized to dissect described second section of described first buffer rcgister and described 3rd duplicate of described 3rd buffer rcgister respectively with parallel processing; Utilize first and second decoder of described media data playing device with parallel processing described second section that dissected of decoding and described 3rd duplicate that dissected respectively; From described 3rd duplicate and the described second members vision signal of decoding, and be shown in described display.
Described media data playing device can parallel parsing, decoding and play different section in media stream data, and wherein a section is the section of playback.Described media data playing device shows the playing progress rate of described playback section according to PCR, PTS or DTS on progress axle, and responding digital input or touch control operation switch to provide the playback position of described playback section when playback, namely the random access capabilities of media data playback is provided, adds the convenience of media data playback.
Accompanying drawing explanation
The execution mode schematic block diagram of Fig. 1 display media data replay apparatus;
The execution mode schematic block diagram of multiple modules relevant with playback function in Fig. 2 display media data replay apparatus;
The schematic diagram that Fig. 3 display media data flow represents according to the time of reception of described device;
The execution mode schematic block diagram of Fig. 4 display media data replay apparatus, wherein has the video section copied;
The execution mode schematic block diagram of Fig. 5 display media data replay apparatus, wherein has the video section of buffer memory;
The example schematic of Fig. 6 progress displaying axle;
The schematic diagram of Fig. 7 display media data locator and buffer rcgister;
Fig. 8 shows the operational flowchart of the arbitrary access media data of buffer memory;
Fig. 9 shows the execution mode schematic diagram of User's Interface;
The execution mode schematic diagram of Figure 10 display keyboard;
The flow chart of the multiple execution mode of localization method of Figure 11-12 display media data playback;
Figure 13-15 shows the demonstration schematic diagram of the first execution mode of the localization method that described media data is play;
The flow chart of the second execution mode of the localization method of Figure 16 display media data playback;
Figure 17-18 shows the demonstration schematic diagram of the second execution mode of the localization method that described media data is play;
The flow chart of the 3rd execution mode of the localization method of Figure 19 display media data playback; And
Figure 20 shows the demonstration schematic diagram of the 3rd execution mode of the localization method that described media data is play.
Main element symbol description
Media data playing device 100
Processor 151
Main storage 152
Non-voltile memory 153
Mass storage 154
Display 155
Communication unit 156
Content protecting unit 157
Power supply unit 158
Quartz (controlled) oscillator 159
Input/output unit 160
Audio output unit 161
Image output unit 162
Port one 64
Controller 165
Contact-controllable detector 167
Button 201-217
Operating point 218a
Operating point 219a
Operating point 220a
Operating point 221a
Receiver 230
Media data flow 231
Acquisition unit 240
First buffer rcgister 241
Second buffer rcgister 242
3rd buffer rcgister 243
Parser unit 250
Parser 251
Parser 252
Translator unit 260
Decoder 261
Decoder 262
Combiner 270
User's Interface unit 280
Locator 281
Renderer 282
First section 2311
Second section 2312
3rd section 2313
First represents unit 23111
Second represents unit 23112
Index 2431
Webpage transducer 290
Web page server 292
Webpage 294
Updating block 295
Detecting unit 296
Progress axle 300
Progress axle fragment 301
Position 302
Cursor graphic 31
Cursor graphic 32
Progress axle 320
Wheeled apparatus 400
Keyboard 40a
Timer 50
Timer 60
The position 72 of video data
Progress axle fragment 72A
The position 73 of video data
Progress axle fragment 77A
Video segment 77B
The position 721 of video data
The position 779 of video data
The position 775 of video data
Progress axle fragment 775A
Video segment 775B
The position 790 of video data
Progress shaft length L0
Distance L2
Viewing area A1
Viewing area A2
Ratio R1
Embodiment
Media data playing device and back method enforcement side thereof are described as follows:
1. system survey
Media data playing device disclosed by the present invention implementation can become an independent table apparatus, or be integrated in various different media data playing device, such as Set Top Box, mobile phone, tablet personal computer (tabletpersonalcomputer), laptop computer (laptopcomputer), multimedia player, digital camera, personal digital assistant (personaldigitalassistant, be called for short PDA), guider or mobile Internet access device (mobileinternetdevice, MID).
The embodiment of 1.1 media data playing devices
With reference to Fig. 1, processor 151 is the central processing unit of media data playing device 100, can be made up of, for the treatment of data and execution computer program integrated circuit (IntegratedCircuit is called for short IC).As shown in Figure 1, available serial or parallel bus or radio communication channel are formed the assembly connecting mode of media data playing device 100.Wireless communication unit 156 sets up communication channel, makes media data playing device 100 by described communication channel to be connected to remote server, and from media data described remote server.In addition, wireless communication unit 156 can set up radio communication channel, makes mobile device, such as remote controller, by described radio communication channel to be connected to media data playing device 100 and swap data.Described communication unit 156 can comprise antenna, fundamental frequency (baseband) and radio frequency (radiofrequency, being called for short RF) chipset is used for carrying out WLAN (wirelesslocalareanetwork, be called for short wirelessLAN) communication, infrared communication and/or cellular type communications system communication, such as broadband Code Division Multiple Access (WidebandCodeDivisionMultipleAccess, be called for short W-CDMA) and high-speed downstream packet access (HighSpeedDownlinkPacketAccess is called for short HSDPA).By the radio communication channel of described foundation, described media data playing device 100 can as the access point of WLAN, makes mobile device can by described access point to connect internet (Internet).
Described processor 151 can be made up of the IC of single encapsulation, or connects the encapsulation IC of many identical functions or difference in functionality and form.For example, processor 151 can only comprise central processing unit (CentralProcessingUnit, be called for short CPU), or the combination of the control chip of CPU, digital signal processor (digitalsignalprocessor is called for short DSP) and communication controler (such as communication unit 156).Described communication controler can comprise cellular type communications system communication, infrared ray, bluetooth (Bluetooth
tM) or the communication control unit of WLAN.CPU can be the CPU of single arithmetic core or multioperation core.Described communication controler is for controlling the communication of each assembly in media data playing device 100, or the communication of media data playing device 100 and external device (ED), and can support direct memory access (DirectMemoryAccess).
Power supply unit 158 supplies electric power and gives each assembly in media data playing device 100.Quartz (controlled) oscillator 159 provides frequency signal to processor 151 and other assembly in media data playing device 100.Timer 50 and 60 can be made up of, during being respectively used to timing regular length circuit, computer program or its combination.Producing signal during timer 50 or 60 expiry (expiration), terminating during timing for informing.Input/output unit 160 comprises control button, alphanumeric keyboard, contact panel, Touch Screen and multiple light-emitting diode (lightemittingdiodes is called for short LEDs).Controller 165 is detected and the operation of control inputs output device 160 and running, and detected operation is sent to described processor 151.Described processor 151 can pass through controller 165 control inputs output device 160.Port one 64 can be connected to various computerized interface, such as one outside computer installation or peripheral unit.Port one 64 can be meet versabus (universalserialbus, be called for short USB) or the Institute of Electrical and Electronics Engineers (IEEE) (InstituteofElectricalandElectronicsEngineers, IEEE), the entity port of the standards such as 1394, EIA (ElectronicIndustriesAssociation, be called for short EIA) No. 232 proposed standard (RecommendedStandard-232 formulating, be called for short RS-232) and/or o.11 proposed standard (RecommendedStandard-11, be called for short RS-11) entity connectivity port, serial ATA (SerialATA, abbreviate SAT A) and/or HDMI (High Definition Multimedia Interface) (HighDefinitionMultimediaInterface, be called for short HDMI).
Non-voltile memory 153 stores operating system performed by processor 151 and application program.Described processor 151 is from described non-voltile memory 153 load operating program and Data Data to main storage 152 and digital content be stored in mass storage 154.Described main storage 152 can be DRAM (Dynamic Random Access Memory) (RandomAccessMemory is called for short RAM), such as static random access memory (StaticRAM is called for short SRAM) or DRAM (Dynamic Random Access Memory) (DynamicRAM is called for short DRAM).Described non-voltile memory 153 can be that electronics can be erased and can be planned read-only memory (ElectricallyErasableProgrammableRead-OnlyMemory, be called for short EEPROM) or flash memory (flashmemory), such as anti-or (NOR) flash memory or anti-and (NAND) flash memory.
The digital content that content protecting unit 157 produces for image processor 100 provides access control.Described content protecting unit 157 comprises internal memory needed for (DVB-CA) of the general-purpose interface (DVB-CI) that realizes digital video broadcasting and/or conditional access and necessary device.The digital signal that image processor 100 can transmit from antenna, tuner (tuner) and demodulator (demodulator) obtains digital content.In another embodiment, image processor 100 can obtain digital content by network accessible interface from the networks such as internet.
Image output unit 162 comprises the video filtering and amplification that filter and amplifier be used for processor 151 to export.Audio output unit 161 comprises digital analog converter and is used for the audio signal that processor 151 exports to be converted to analog format from number format.
Display 155 shows word and image, and Electronic Paper, OLED Organic Light Emitting Diode (organiclightemittingdiode can be comprised, be called for short OLED), Field Emission Display (fieldemissiondisplay, be called for short FED) or LCD liquid crystal display (liquidcrystaldisplay is called for short LCD).Or described display 155 can comprise reflected displaying device, such as electrophoresis-type (electrophoretic) display, or utilize the display of interference of light modulation tech (interferometricmodulationoflight).Described display 155 can show various graphical user interface (graphicaluserinterface is called for short GUI) and, using as virtual controlling assembly, include but not limited to window, scroll bar, icon and scrapbook.Described display 155 can comprise multiple displays of single display or different size.The GUI of following explanation can be shown in described display 155 by described processor 151.
Described I/O unit 160 comprises contact-controllable detector 167 for detecting the touch control operation on described display 155.Described contact-controllable detector 167 can comprise the transparent touch plate covered on described display 155, or is arranged on optical touch reflector and the receiver array of described display 155 frame, and such as U.S. Patent Publication No. 20090189878 discloses.
2. the execution mode of media data playing device operation
Fig. 2 shows described media data playing device 100 module relevant to media data playback.Assembly 240-280 can use circuit implementation, such as, be made up of a part of assembly of the DSP in described processor 151, or the computer program performed by described processor 151 is formed.Described computer program can be stored in described main storage 152, non-voltile memory 153 or mass storage 154.Described media data playing device 100 can comprise the buffer rcgister unit 240 with the first buffer rcgister 241, second buffer rcgister 242, the 3rd buffer rcgister 243.Each buffer rcgister in described buffer rcgister 241-243 can be a reserve area of described main storage 152 or non-voltile memory 153.Receiver 230 is from described communication unit 156 receiving media data stream 231 and export acquisition unit 240 to.Described media data flow 231 comprises synchronized video and voice data, can be meet International Organization for standardization (InternationalOrganizationforStandardization, be called for short ISO) or the ISO/IEC13818-1 that formulates of International Electrotechnical Commission (IEC) (InternationalElectrotechnicalCommission, be called for short IEC).H.222 ISO/IEC13818-1 bulletin is, there is defined packetized elementary stream (packetizedelementarystream is called for short PES) and transmits data flow (transportstream is called for short TS).For example, described media data flow 231 comprises multiple PES data flow.Each PES data flow is encapsulated as multiple TS package again.
With reference to Fig. 3 and Fig. 4, described acquisition unit 240 copies and the first section 2311 storing described media data flow 231 respectively becomes the first duplicate and the second duplicate in described first buffer rcgister 241 and the second buffer rcgister 242.First duplicate of described first section 2311 in described first buffer rcgister 241 exports the first parser 251 to from described acquisition unit 240 and dissects.Then, the first duplicate that described first section 2311 has dissected exports the first decoder 261 to carry out decoding from described first parser 251.Combiner 270 is from the first duplicate composite video of described first section 2311 decoding, and the video of display combination is in described display 155.Described buffer rcgister 241 and 243 respectively has index to be used in reference to of media data wherein to represent unit, by the expression unit that index points to namely be preparation from described acquisition unit 240 export to described parser unit 250, translator unit 260 and combiner 270 to carry out dissecting, decoding and display.The next one that index is pointed to after the expression unit exported is represented unit by described acquisition unit 240 after output represents unit, and repeats this program.Described parser 251 and 252 is out of the ordinary according to multi-medium data flow standard, such as International Telecommunication Union (InternationaltelecommunicationUnion, be called for short ITU) standard H.222, quick flashing video (FlashVideo, be called for short FLV) standard, to dissect media data, such as the first duplicate of described first section 2311.Described decoder 261 and 262 is out of the ordinary according to multimedia coding and decoding standard, H.264, the standard of VC-1, MPEG-2, MPEG-4 standard or FLV such as, with transcoded media data, and the first duplicate that such as described first section 2311 has dissected.
With reference to Fig. 5, when described processor 151 receives the play-back command for media data flow described in playback 231 from described input-output unit 160 or described communication unit 156, described acquisition unit 240 produces the 3rd duplicate of the second duplicate of described first section 2311, and is stored in described 3rd buffer rcgister 243 to respond described play-back command.Second section 2312 of described media data flow replaces first and second duplicate described in described first buffer rcgister 241 and the second buffer rcgister 242.
Described parser unit 250 utilizes the first parser 251 and the second parser 252 to dissect described 3rd duplicate in described second section 2312 of described first buffer rcgister 241 and described 3rd buffer rcgister 243 respectively with parallel processing.
Described translator unit 260 utilizes the first decoder 261 and the second decoder 262 with parallel processing described second section 2312 that dissected of decoding and described 3rd duplicate that dissected respectively.
Described combiner 270 is from the 3rd duplicate of described first section 2311 of decoding and described second section 2312 combination video signal.Described second section 2312 vision signal can be combined into relatively large image by described combiner 270, and the vision signal of the 3rd duplicate is combined into relatively little image, overlaps on described larger image.Described display 155 shows described vision signal.
2.1 progress displaying axles
Show described first section 2311 the 3rd duplicate in first represent unit time, described combiner 270 progress displaying axle for represent described first represent unit in described 3rd duplicate relative to the position of the length of described 3rd duplicate.Described first represents that unit can be the unit of PES or TS data flow, such as a PES package, TS package, the PES data flow comprising P, I and B frame or a TS data flow.Progress axle renderer 282 in User's Interface unit 280 can according to the Pgmtime of the TS package in described 3rd duplicate with reference to (programclockreferences, be called for short PCR), or the broadcasting time stamp (presentationtime-stamp of PES package in described 3rd duplicate, be called for short DTS) or decoding time stamp (decodingtime-stamp, be called for short DTS), or the time stamp of FLV data flow package in described 3rd duplicate, to calculate the length of the 3rd duplicate of described first section 2311, and described first represents unit in described 3rd duplicate relative to the position of the length of described 3rd duplicate.
2.2 PCR-baseds calculate progress axle
For example, described renderer 282 obtains first PCR value PCR1 in the TS package in described 3rd buffer rcgister 243 and last PCR value PCR2, and obtains the described first PCR value PCRi representing unit being undertaken dissecting by described second parser 252.Described progress axle renderer 282 calculates following formula (1) to obtain the length L1 of described 3rd duplicate, and calculates following formula (2) and represent to obtain described first the progress P1 that unit is corresponding.
L1=PCR2-PCR1(1)
P1=PCRi-PCR1(2)
Described progress axle renderer 282 calculates following formula (3) and represents the ratio R1 of the progress P1 of unit relative to the length L1 of described 3rd duplicate to obtain described first.
R1=P1/L1(3)
With reference to Fig. 6, described renderer 282 draws the progress axle 300 that length is L0, and wherein fragment 301 length is progress and the position that L0 × R1 is used to refer to that described first represents the total length of the 3rd duplicate relative to described first section 2311 of unit.The left end point of described fragment 301 aligns the left end point of described progress axle 300.Described progress axle renderer 282 can utilize other symbol, such as figure 31, shows the position that described first represents unit.Described progress axle renderer 282 exports described progress axle 300 to described combiner 270.As shown in Figure 6, described combiner 270 combines the video of described progress axle 300 and is shown in described display 155.Described combiner 270 can utilize Display Technique on screen (onscreendisplay is called for short OSD) repeatedly on the A1 of region, to show described progress axle 300, and described region A1 is for showing from described second section 2312 decoding video out.Region A2 is for showing the 3rd duplicate institute decoding video out from described first section 2311
2.3 calculate progress axle based on PTS
Show in the example of playback progress utilizing PTS, described renderer 282 obtains first pts value PTS1 in the PES package in described 3rd buffer rcgister 243 and last pts value PTS2, and obtains the described first pts value PTSi representing unit being undertaken showing by described combiner 270.Described progress axle renderer 282 calculates following formula (4) to obtain the length L1 ' of described 3rd duplicate, and calculates following formula (5) and represent to obtain described first the progress P1 ' that unit is corresponding.
L1’=PTS2-PTS1(4)
P1’=PTSi-PTS1(5)
Described progress axle renderer 282 calculates following formula (6) and represents the ratio R1 ' of the progress P1 ' of unit relative to the length L1 ' of described 3rd duplicate to obtain described first.
R1’=P1’/L1’(6)
Described renderer 282 draws the progress axle 300 that length is L0, and the fragment length on it is progress and the position that L0 × R1 ' is used to refer to that described first represents the total length of the 3rd duplicate relative to described first section 2311 of unit.Described progress axle renderer 282 exports described progress axle to described combiner 270.Described combiner 270 combines the video of described progress axle and is shown in described display 155.
2.4 calculate progress axle based on DTS
Show in the example of playback progress utilizing DTS, described renderer 282 obtains first DTS value DTS1 in the PES package in described 3rd buffer rcgister 243 and last DTS value DTS2, and obtains and carry out by described decoder 262 the DTS value DTSi that described first of decoding represents unit.Described progress axle renderer 282 calculates following formula (7) to obtain the length L1 of described 3rd duplicate ", and calculate following formula (8) and represent to obtain described first the progress P1 that unit is corresponding ".
L1”=DTS2-DTS1(7)
P1”=DTSi-DTS1(8)
Described progress axle renderer 282 calculates following formula (9) to obtain the progress P1 that described first represents unit " relative to the length L1 of described 3rd duplicate " ratio R1 ".
R1”=P1”/L1”(9)
Described renderer 282 draws the progress axle 300 that length is L0, and the fragment length on it is L0 × R1 " be used to refer to progress and position that described first represents the total length of the 3rd duplicate relative to described first section 2311 of unit.Described progress axle renderer 282 exports described progress axle to described combiner 270.Described combiner 270 combines the video of described progress axle and is shown in described display 155.
2.5 normal indication unit
With reference to Fig. 7,8 and 9, the index 2431 of described 3rd buffer rcgister 243 is pointed to first in the 3rd duplicate of described first section 2311 and is represented unit 23111.When described media data playing device 100 is when showing described first expression unit 23111 (step S2), locator 281 in described User's Interface unit 280 receives input signal from described input-output unit 160, described input signal represents the select location in described progress axle 300, such as, position 302 (step S4) in Fig. 6.In order to respond the input signal of described reception, described locator 281 finds the second expression unit 23112 (step S6) according to described select location from the 3rd duplicate of described first section 2311, send cleaning instruction to described second parser 252 and the second decoder 262 to remove media data (step S8) wherein, make described index 2431 point to described second and represent unit 23112 (step S10), allow described media data playing device 100 play described second by this and represent unit 23112 (step S12).In order to response of step S8, described acquisition unit 240 exports described second and represents unit 23112 to described second parser 252 to dissect, more dissected described in exporting from described second parser 252 second represents unit 23112 to described second decoder 262 to carry out decoding.Described combiner 270 represents the composite video of unit 23112 from second of described decoding and is shown in described display 155.
Locate described second in step S6 to represent the mode of unit 23112 details are as follows.For example, the distance that described locator 281 calculates from the left end point of described progress axle 300 to position 302 is L2, and distance L2 is relative to the ratio R2=L2/L0 of the length of described progress axle 300.For example, if the memory headroom of described 3rd buffer rcgister is J byte (Byte) and initial address is K0, described locator 281 finds the address K1 in described 3rd buffer rcgister, wherein:
K1=K0+J×R2(10)
Described locator 281 obtains described index 2431 and makes described index 2431 point to described destination address K1.After described cleaning instruction, described 3rd buffer rcgister is still continuously according to described destination address output medium data extremely described second parser 252 of described index 2431 indication, described second parser 252 ignored media data before receiving complete PES package, and continue to dissect PES package after receiving complete PES package, and, described second decoder 262 ignores media data until receive I frame (intraframe or Iframe), decoding I frame is continued when receiving I frame, and relevant P frame (predictedframe or Pframe), and B frame (bi-directionalpredictiveframe or Bframe).
2.6 media datas cutting out playback
Described media data playing device 100 plays the entirety of the 3rd duplicate in described 3rd buffer rcgister to respond play-back command.When described locator 281 receives two selected separations on described progress axle 300, represent unit according to described two separations to find two boundary in described 3rd duplicate, and guide described media data playing device 100 play in described 3rd duplicate by described two boundary represent unit the part that defines to respond other play-back command.Described two boundary represent that unit can be called bookmark.
Described input-output unit 160 produces the signal of described two the selected separations representing described progress axle 300.For example, described contact-controllable detector 167 can detect two contact points at described display 155 simultaneously.When described contact-controllable detector 167 detect simultaneously to move on described progress axle 300 and to leave two contact points of described progress axle 300 subsequently time, two positions described two contact points being left described progress axle 300 are as described two selected separations.
The User's Interface of 2.7 no platform dependences
With reference to Fig. 9, described media data playing device 100 also comprises User's Interface transducer 290, progress axle for described renderer 282 being drawn converts the interdependent and User's Interface that non-browser is interdependent of non-OS to, such as webpage 294 or interface facility collection (widget).And updating block 295 and detecting unit 296 are incorporated in described User's Interface.For example, when wheeled apparatus 400 is connected to the network communication protocol (Internetprotocol of described media data playing device 100, be called for short IP) address, and send Hyper-Text Transfer Protocol (HyperTextTransferProtocol, be called for short HTTP) when asking, webpage 294 is sent to described wheeled apparatus 400 to respond described HTTP request by the web page server 292 in device 100.Wheeled apparatus 400 receives and display web page 294 from described media data playing device 100, and described updating block 295 periodically sends HTTP request to described web page server 292, with the progress axle 300 of asking described renderer 282 to upgrade.Described web page server 292 transmits the progress axle 300 after upgrading to described wheeled apparatus 400 with the HTTP request periodically sent described in responding.Described wheeled apparatus 400 is presented in the described webpage 294 shown and shows the progress axle 300 after being updated.
Described wheeled apparatus 400 can comprise input unit, such as Touch Screen, to detect the described select location of described progress axle 300.The described detecting unit 296 that described wheeled apparatus 400 receives detects the one or more select location existed on described progress axle 300, and transmits described one or more select location to described web page server 292 with HTTP request.Described web page server 292 receive and the described HTTP request of passing on described one or more select location to described locator 281.Described media data playing device 100 responds described one or more select location in the foregoing manner.
In Fig. 9, the assembly 290,292,295 and 296 in described media data playing device 100 can be computer program.Described assembly 295 and 296 can be to comprise JavaScript program code.Described HTTP request can comprise asynchronous JavaScript and extensible markup language (eXtensibleMarkupLanguage, be called for short XML) technology (asynchronousJavaScriptandXML, be called for short AJAX) in the update request that uses in the XMLHttpRequest (XHR) that uses or simple and easy altogether original text mechanism (reallysimplesyndication is called for short RSS).
3. playback position switches
Described media data playing device 100 can perform U.S. Patent Application No. 12543588, and the localization method disclosed in the patent document of denomination of invention for " AUDIOPLAYBACKPOSITIONINGMETHODANDELECTROINCSYSTEMUTILIZI NGTHESAME " is to obtain the described select location in described progress axle 300.Described locator 281 can be formed by the computer program described in electricity consumption performed by processor 151, and described processor 151 performs described locator 281 to operate the execution mode of following localization method.Use the execution mode of described localization method as following.
Please refer to Figure 10, the keyboard 40a shown in Figure 10 is a kind of execution mode of the input unit of described input-output unit 160 or described wheeled apparatus 400.Described keyboard 40a can be the physical keyboard of mechanical structure or the dummy keyboard be presented on display 155.Described keyboard has button 201-217.Button 213 and 214 is function keys, and its function is different because of the software program performed by media data playing device 100.Button 215 is off-hook (off-hook) buttons; Button 216 is on-hook (on-hook) buttons.Button 217 is used to the directionkeys of the moving direction controlling cursor shown in display 155.Actuating procedure point 218a, 219a, 220a and 221a can drive respectively cursor up, right, under move left.Numeral corresponding to button 201 ~ 212, letter and/or symbol are shown on each button in Figure 10, but are not intended to limit the present invention.
Described media data playing device 100 can receive numeral or symbol by channel 401 from described wheeled apparatus 400.For example, the described detecting unit 296 in described wheeled apparatus 400 detects the input numeral that wheeled apparatus 400 receives, and utilizes the HTTP request sending and recite described numeral to transmit described numeral to described web page server 292.Described web page server 292 receives described HTTP request, and gives described locator 281.Described media data playing device 100 responds described numeral according to following localization method.
Data handled by localization method can be called " pending object ".And pending object segmentation is called fragment.Select location on pending object can be the precalculated position of the fragment on it, the starting point of such as fragment, terminal or intermediate point.In below illustrating, the length of pending object is assumed to be D.Described processor 151 applies described localization method when the section 2311 of described media data 231, the size of data that its total length can be weighed by byte or memory size, or with total reproduction time of the section 2311 of the media data 231 of special time unit representation, wherein said chronomere such as divides or second.Described total reproduction time is during calculating plays to knot row broadcasting from the section 2311 of media data 231.A media data flow or one of them section all can be called project.
The numeral that described input-output unit 160 inputs to media data playing device 100 may be used for performing different functions.For example, input numeral dials number according to this for media data playing device 100 as telephone code number or sends note, or to choose for media data playing device 100 as broadcasting channel number and switch to the channel corresponding to described number.The numeral that described media data playing device 100 receives in the following embodiments is used as the index that pending object (such as progress axle 300 or section 2311) is located.Media data playing device 100 needs to determine that institute receives the function of digital correspondence.But following localization method can use computer program implementation, and be executed in media data playing device 100 or wheeled apparatus 400.Numeral can be received from the button operation of input-output unit 160 or wheeled apparatus 400 in the execution mode of following localization method, or receive numeral by text-recognition from the contactor control device of input-output unit 160 or wheeled apparatus 400.
3.1 localization method
Please refer to Figure 11, processor 151, after the input numeral receiving input-output unit 160 (step S30), differentiates media data playing device 100 whether in the playback mode of video (step S31).When the playback mode that media data playing device 100 is not at video, the input numeral received is used for other function by processor 151, such as, as telephone number or channel number (step S32).When in the playback mode of media data playing device 100 at video, the numeral received is used for locating progress axle and media data section (step S33) by described processor 151.For example, processor 151 User's Interface that the playback mode of display video is relevant on display 155 in the playback mode of video, with the image section in the 3rd buffer rcgister described in playback.In step S33, processor 151 judges that whether media data playing device 100 is just at playback image section (step S34) after obtaining ad-hoc location in image section or fragment.In this way, processor 151 directly can perform to the described ad-hoc location that obtains or fragment the vision operation (step S37) preset.As no, processor 151 receiver, video option of operation (step S35), and vision operation corresponding to described option (step S36) is performed to described image section.For example, the vision operation in step S35 and S37 comprises video playback, fast (fastforward), reversing (rewind) or the bookmark of turning sets.Default vision operation in step S37 can be video play operation.Input-output unit 160 can comprise the corresponding button of vision operation option, and vision operation option also can be shown in display 155 by processor 151.
Localization method in step S33 has execution mode miscellaneous, below illustrates.Media data playing device 100 utilizes a timer with during the operation that timing one section is predetermined.During described predetermined operation, if processor 151 receives more numerals, then can obtain ad-hoc location in video section 2311 or fragment to perform vision operation by more accurate unit.When the current position of processor 151 just in video section 2311 plays video wherein, skip over forward operation and to switch to first object position video section 2311 from described current position for driving the broadcasting of video section 2311, the time of time early than the described first object position of access of described current position is accessed during wherein said processor 151 displaying video section 2311, skip over operation backward and to switch to the second target location video section 2311 from described current position for driving the broadcasting of video section 2311, the time of time early than the described current position of access of described second target location is accessed during wherein said processor 151 displaying video section 2311.It is to be appreciated that the fragment of pending object represents a part for its composition, or the sub-pieces section of described part.And sub-pieces section refers to the fragment that size is less.
Execution mode video section 2311 being segmented into any decile is described below.
First execution mode of 3.2 localization methods
With reference to Figure 12, media data playing device 100 performs the first execution mode current active User's Interface assembly on described display 155 of the localization method that media data is play.Below illustrate only with the current active User's Interface assembly of the media data playing device 100 progress axle 300 that is video section 2311 for example.Described progress axle 300 is the representative of described video section 2311, so described processor 151 applies localization method when video section 2311 is to obtain select location or fragment, also can obtain select location or fragment at progress axle 300 accordingly.The operation on the representative (such as progress axle 300) of pending object is acted on, corresponding to the operation acted on described pending object (such as video section 2311) term of execution of localization method.Or described processor 151 can use described localization method in described progress axle 300 to obtain select location or fragment, and in described video section 2311, correspondingly find corresponding select location or fragment.Described processor 151 also can parallel processing, and such as the synchronous Thread (thread) that performs or program (process), use described localization method in video section 2311 and progress axle 300 simultaneously.
Processor 151 receives the first digital m and the second digital n (step S320) of input from input-output unit 160.For example, m and n is all numeral, and 0m9 and 0n9.Pending object is respectively the combination of m fragment by the received described in processor 151 responds first digital m, and the progress axle also by video area section 2311 and correspondence thereof is segmented into m fragment (step S322).The length of each fragment of video section 2311 is D/m.Please refer to Figure 13, if m=5, n=2, progress axle 300 is divided into 5 fragments by processor 151, and video section 2311 is divided into 5 fragments by processor 151, that is segments is determined by the first digital m.For example, in step S322, the total length of video section 2311 is D skips over operation as video new unit divided by 5 by processor 151, obtains the position of corresponding reproduction time 0, D/5,2D/5,3D/5,4D/5 and 5D/5 on video section 2311 to distinguish described 5 fragments.The length of each fragment of video section 2311 is D/5.
Received described in processor 151 responds second digital n, to obtain the m fragment n-th specific fragment wherein of described pending object, that is obtains the m fragment n-th specific fragment (step S324) wherein of video section 2311 and progress axle thereof.Please refer to Figure 13, if m=5, n=2, processor 151 obtains the 2nd fragment in video section 2311, that is fragment 72B, and the homologous segment 72A on progress axle 300, and wherein the end of fragment is indicated by figure 31.The fragment order that processor 151 obtains is determined by the second digital n.
Processor 151 performs vision operation to the described specific fragment obtained, that is performs vision operation (step S326) to the n-th specific fragment.As shown in figure 13, in step S326 processor 151 can from the back-end location 72 of described specific fragment displaying video section 2311, the correspondence position of position 72 on progress axle 300 is indicated by figure 31.But this be not used for limit the present invention, in step S326 processor 151 can from the front end of described specific fragment, rear end, centre or other position displaying video section 2311.
After step S326, the step S320-S326 of Figure 12 can be repeated when processor 151 receives two stroke numerals again, again to process video section 2311.Please refer to Figure 14, if m=4, n=3, progress axle 300 is divided into 4 progress axle fragments by processor 151, also video section 2311 is divided into 4 video segments, chooses the 3rd progress axle fragment of progress axle 300 and obtain the terminal position 73 of the 3rd fragment in video section 2311.Processor 151 color of the 1st to the 3rd progress axle fragment of progress displaying axle 300 can be different from the color of the 4th progress axle fragment.
Fragment in video section 2311 corresponding to fragment on progress axle 300 indicated by figure 31 is called selected fragment.Can by the directionkeys in input-output unit 160 or the adjacent segment of position to fragment 72A being changed figure 31 by contactor control device, therefore changing described selected fragment is the adjacent segment of fragment 72B.Operated by the directionkeys in input-output unit 160, the operating point 219a of such as actuation keys 217 operation moving to the next fragment in right of described selected fragment being turned right is exactly be equivalent to skip over forward operation (forwardskipping), and the operating point 221a of such as actuation keys 217 operation moving to left next one fragment of described selected fragment being turned left is exactly be equivalent to skip over operation (backwardskipping) backward.Therefore utilize this execution mode, processor 151 can adjust the parasang that the forward/backward of video section 2311 when playing skips over operation.
In the example of Figure 13, the video section 2311 fragment 72B corresponding to the second fragment 72A of progress axle 300 selected by processor 151, namely the 2nd fragment of video section 2311, processor 151 can respond the operating point 220a actuating of button 217 and using described 2nd fragment 72B as new pending object, the first digital m according to previous receipt is subdivided into m sub-fragment again to described specific fragment.The length of each the sub-pieces section after the described specific fragment 72B of video section 2311 segments again is D/m2.For example, in the implementation repeating step S322, the total length of fragment 72B is D/5 skips over operation as video new unit divided by 5 by processor 151, obtains the position of corresponding following reproduction time on video section 2311 to distinguish described m sub-fragment:
As shown in figure 15, progress axle 320 represents progress axle fragment 72A, corresponding to video segment 72B.Processor 151 is subdivided into 5 sub-fragments according to the first digital m=5 of previous receipt again to fragment 72A and fragment 72B.5 fragments in progress axle 320 represent the less sub-pieces section of in fragment 72B 5.In Figure 15, figure 32 refer to selected sub-pieces section, corresponding position 721 in fragment 72B, the position of figure 32.Same, button 217 mobile graphics 32 can be utilized and reelect other sub-pieces section as selected fragment.
On the device not having numerical key, with directionkeys or the wherein fragment that operation keys comes in selected pending object can be skipped over forward or backward.
Second execution mode of 3.3 localization methods
Figure 16 display is executed in the second execution mode of the localization method of media data playing device 100.Internal memory 152 can store the predetermined number z with deciding video area section 2311 number of fragments in advance.Numeral z can be any positive integer being greater than 1.
Processor 151 receives the digital c (step S330) of input from the numerical key of input-output unit 160, and starts described timer 50 with timing length (step S332).
Video section 2311 and corresponding progress axle thereof are segmented into a predetermined quantity z fragment (step S334) by the digital c received described in processor 151 responds, and obtain c fragment (step S336) wherein.The length of each fragment of video section 2311 is D/z.The total length of video section 2311 is D skips over operation as video new unit divided by z by processor 151.For example, z=10 and c=7, progress axle 300 is divided into 10 fragments by processor 151 as shown in figure 17, and the length of each fragment is D/10, and obtains the 7th fragment 77A wherein, and indicates the terminal position of fragment 77A with figure 31.Progress axle 300 is the current active User's Interface assemblies of media data playing device 100, so be the main body that positioning action made by processor 151 corresponding to the video section 2311 of progress axle.Corresponding to progress axle 300, video section 2311 is divided into 10 fragments, and obtains the 7th fragment 77B wherein, corresponding to fragment 77A according to digital c.Position 779 corresponds to the position that figure 31 indicates.
Processor 151 differentiates whether timer 50 expires (event A), and whether described timer 50 received another digital d (event B) (step S338) from the numerical key of input-output unit 160 unexpired in the past.
Another digital d (event B) is received as before timer 50 unexpired, then processor 151 responds another digital d described and described specific fragment and corresponding progress axle fragment thereof is subdivided into a predetermined quantity z fragment (step S340) again, obtain d fragment (step S342) in the multiple fragments after segmentation again, and reset described timer 50 (step S344).The described specific fragment of video section 2311 segment again after the length of each sub-pieces section be D/z2.Processor 151 skips over the new unit of operation using sub-pieces segment length D/z2 as video.In the example of Figure 17, for example, z=10 and d=5, the 7th fragment of video section 2311 is further divided into 10 fragments by processor 151, and obtains the 5th fragment wherein.As shown in figure 18, the 7th fragment 77B of video section 2311 is further divided into 10 fragments by processor 151, and obtains the 5th fragment 775B wherein.In Figure 18, the progress axle 320 of display 155 represents fragment 77A, and fragment 77A represents fragment 77B.Processor 151 is divided into 10 fragments progress axle 320, then obtains the 5th fragment 775A in progress axle 320 according to digital d, and it represents fragment 775B.In like manner, the described step by repeating Figure 16 can be segmented again to fragment 775B.
As described in timer 50 expire (event A), then processor 151 performs vision operation (step S346) to the described fragment that obtains.In the example of Figure 18, be start to perform vision operation to the terminal position 775 of fragment 775B.
On the device not having numerical key, with the left button of directionkeys, right button or the wherein fragment that operation keys comes in selected video section 2311 can be skipped over forward or backward, and with the operation that upwarding key, down Arrow or another key segment to drive certain fragment again.
3rd execution mode of 3.4 localization methods
Figure 19 display is executed in the 3rd execution mode of the localization method of media data playing device 100.Symbol " ← " in following explanation in the middle of the first variable and the second variable (or constant) represents that the value of appointment second variable (or constant) is to the first parameter.
Media data playing device 100 has multiple variable a
1, a
2, a
3... a
n, the default value of each is all set to 0.Processor 151 obtains numerical order stored in a from input-output unit 160 at every turn
1, a
2, a
3... a
none.With reference to Figure 19, processor 151 receives the first digital e of input, by digital e stored in a from the numerical key of input-output unit 160
1, that is perform a
1← e (step S350), and start described timer 50 with timing length (step S352).
Processor 151 to produce percent value (step S354), and obtains the position (step S356) of corresponding described percent value in video section 2311 according to digital e.For example, percent value m is:
When processor 151 obtains the first digital e=9, processor 151 according to numeral 9 and formula (1) to produce percent value 90%.As shown in figure 20, from the length of front end to the position 790 of video section 2311 be 90% of the total length of video section 2311.Processor 151 obtains the position 790 of corresponding described percent value 90% in video section 2311.
Processor 151 differentiates whether timer 50 expires (event A), or whether described timer 50 received second digital f (event B) (step S360) from the numerical key of input-output unit 160 unexpired in the past.
The second digital f (event B), then processor 151 is received, by digital f stored in a as before timer 50 unexpired
2, that is perform a
2← f, reset described timer 50 (step S362), and according to all numerals received to produce percent value to replace previous percent value, and produce the address of corresponding described new percent value, to obtain the position (step S364) of corresponding described new percent value in video section 2311.For example, if e=9, f=5 be new percent value m
new=95%; If the percent value m that e=0, f=5 are new
new=5%.
Then, processor 151 obtains the position of corresponding described percent value in progress axle 300, and the position (step S366) of corresponding described percent value in video section 2311, and repeats step S360.
If timer 50 expires (event A), processor 151 performs vision operation (step S368) according to the described position obtained.
4. conclusion
In a word, described media data playing device 100 can parallel parsing, decoding and play different section in media stream data, and wherein a section is the section of playback.Described media data playing device shows the playing progress rate of described playback section according to PCR, PTS or DTS on progress axle, and responding digital input or touch control operation switch to provide the playback position of described playback section when playback.
Claims (20)
1. a media data playing device, is characterized in that, comprises:
Communication unit, comprise antenna, baseband chip and radio frequency chip, for setting up the communication meeting various wireless communication standard, wherein said wireless communication standard comprises WLAN communication, infrared communication and/or cellular type communications system communication, wherein said cellular type communications system comprises broadband Code Division Multiple Access (WidebandCodeDivisionMultipleAccess, be called for short W-CDMA) and high-speed downstream packet access (HighSpeedDownlinkPacketAccess, be called for short HSDPA), the communications packet that wherein said communication unit is set up contains for connecting the first radio communication channel of remote server and the second radio communication channel for connecting mobile device, and the media data flow that described communication unit can be play with reception by described first radio communication channel,
Internal memory, for store described communication unit receive described in the play medium data of media data flow that can play;
Processor, for providing the controlling media play function being associated with described play medium data; And
Wherein by the radio communication channel of described foundation, described media data playing device is as insertion point of radio local network, and described media data playing device also comprises:
Buffer rcgister, comprises first, second and third buffer rcgister;
Acquisition unit, for to copy and the first section storing described media data flow respectively becomes the first duplicate and the second duplicate in first and second buffer rcgister described, produce and the 3rd duplicate storing described second duplicate in described 3rd buffer rcgister to respond play-back command, the second section of wherein said media data flow replaces described first duplicate in first and second buffer rcgister described and the second duplicate;
Parser unit, comprises first and second parser and dissects described second section of described first buffer rcgister and described 3rd duplicate of described 3rd buffer rcgister respectively with parallel processing;
Translator unit, comprises first and second decoder with parallel processing described second section that dissected of decoding and described 3rd duplicate that dissected respectively; And
Combiner, for from described 3rd duplicate of decoding and the described second members vision signal of decoding.
2. media data playing device as claimed in claim 1, it is characterized in that, described media data playing device is mobile electronic device, and described various wireless communication standard comprises described WLAN standard and cellular communications standard.
3. media data playing device as claimed in claim 1, is characterized in that, also comprise:
Content protecting unit, for providing the access control of the digital content about described play medium data.
4. media data playing device as claimed in claim 1, it is characterized in that, when first in described 3rd duplicate showing the described play medium data stored represents unit, described combiner progress displaying axle as a part for described controlling media play function, for show described first represent unit in described 3rd duplicate position relative to the position of the length of described 3rd duplicate; And
Locator, for being received in the select location on described progress axle, and obtaining the second expression unit according to described select location from described 3rd duplicate of the described play medium data stored, wherein said processor display acquired described second represents that unit is to respond described select location.
5. media data playing device as claimed in claim 4, is characterized in that, also comprise:
Web page server, for receive and the Hyper-Text Transfer Protocol request of passing on one or more select locations to described locator, make described media data playing device respond described one or more select location to play the play medium data of the described media data flow that can play.
6. media data playing device as claimed in claim 4, is characterized in that, described first represents that unit comprises packetized elementary stream, transmits the unit of data flow or quick flashing video data stream.
7. media data playing device as claimed in claim 4, is characterized in that, also comprise:
Progress axle renderer, for the Pgmtime of the transmission data flow package according to described 3rd duplicate with reference to, the broadcasting time stamp of packetized elementary stream package of described 3rd duplicate or the time stamp of the quick flashing video data stream package of decoding time stamp or described 3rd duplicate, calculate the described length of described 3rd duplicate stored, and described first represents the position of unit relative to described 3rd duplicate.
8. media data playing device as claimed in claim 4, it is characterized in that, when described locator receives two selected separations on described progress axle, described locator according to described two separations to find two boundary to represent unit in described 3rd duplicate stored, and described processor play described in described 3rd duplicate that stored by described two boundary represent unit the part that defines to respond play-back command.
9. media data playing device as claimed in claim 4, is characterized in that, also comprise:
Input unit;
Wherein, described processor, for performing a localization method, described localization method comprises:
Described processor is using the length of a part for the length of described 3rd duplicate stored as one first video segment of described 3rd duplicate stored;
Described processor, using the length of described first video segment as the first unit, performs first and skips over operation forward or backward with one second video segment obtaining described 3rd duplicate stored on described 3rd duplicate stored;
Described processor according to the operation of described input unit using the length of a part for the length of described second video segment as a sub-pieces section in described second video segment; And
Described processor is using the length of described sub-pieces section as the second unit, on described second video segment, perform second skip over operation forward or backward to obtain the described select location in described second video segment, wherein said second unit is less than described first unit.
10. media data playing device as claimed in claim 4, is characterized in that, also comprise:
Timer, for timing one scheduled period;
Input unit, operation response is to produce numeral;
Wherein said processor, is electrically connected on described timer and described input unit, and perform a localization method to play to obtain described select location, described method comprises:
Receive one first digital N from described input unit, and start described timer;
The digital N received described in response, described 3rd duplicate stored respectively is the combination of multiple fragment, obtains the N number of fragment in described 3rd duplicate;
Differentiate whether described timer received another the second digital M from described input unit unexpired in the past;
As described in timer expiration and the second digital M as described in not receiving, then perform one first play operation to the described N number of fragment obtained, wherein said select location is the position in described N number of fragment; And
As described in receive before timer unexpired as described in the second digital M, then described N number of fragment is the combination of multiple fragment respectively, obtain M sub-fragment in described N number of fragment, and reset described timer, and respond the described timer expiration received after described second digital M, perform one second play operation to described M sub-fragment, wherein said select location is the position in described M sub-fragment.
11. media data playing devices as claimed in claim 1, it is characterized in that, described media data playing device comprises a mobile phone, wherein inputs the numeral of described mobile phone as telephone code number, and described mobile phone according to described telephone code number to dial number or to send note.
12. 1 kinds of media data playing devices, is characterized in that, comprise:
Communication unit, comprise antenna, baseband chip and radio frequency chip, for setting up the communication meeting various wireless communication standard, the communications packet that wherein said communication unit is set up contains for connecting the first radio communication channel of remote server and the second radio communication channel for connecting mobile device, and described communication unit has one or more media data flows of digital content with reception by described first radio communication channel;
Buffer rcgister, comprises first, second and third buffer rcgister;
Acquisition unit, for to copy and the first section storing described media data flow respectively becomes the first duplicate and the second duplicate in first and second buffer rcgister described, produce and the 3rd duplicate storing described second duplicate in described 3rd buffer rcgister to respond play-back command, the second section of wherein said media data flow replaces described first duplicate in first and second buffer rcgister described and the second duplicate;
Parser unit, comprises first and second parser and dissects described second section of described first buffer rcgister and described 3rd duplicate of described 3rd buffer rcgister respectively with parallel processing;
Translator unit, comprises first and second decoder with parallel processing described second section that dissected of decoding and described 3rd duplicate that dissected respectively; And
Combiner, for from described 3rd duplicate of decoding and the described second members vision signal of decoding
Processor, for providing the human-machine operation controlling functions of the digital content be associated with represented by described 3rd duplicate; And
Wherein by the radio communication channel of described foundation, described media data playing device is as insertion point of radio local network device.
13. media data playing devices as claimed in claim 12, it is characterized in that, described media data playing device comprises a mobile phone, wherein inputs the numeral of described mobile phone as telephone code number, and described mobile phone according to described telephone code number to dial number or to send note.
14. media data playing devices as claimed in claim 12, it is characterized in that, when show the 3rd duplicate in described digital content first represents unit, described combiner shows the part of a progress axle as described human-machine operation controlling functions, unit is represented in described 3rd duplicate relative to the position of the length of described 3rd duplicate for showing described first, described media data playing device, also comprises:
Locator, for being received in the select location on described progress axle, and obtains the second expression unit according to described select location from described 3rd duplicate, and wherein said processor display acquired described second represents that unit is to respond described select location.
15. media data playing devices as claimed in claim 14, is characterized in that, also comprise:
Web page server, for receive and the Hyper-Text Transfer Protocol request of passing on one or more select locations to described locator, make described media data playing device respond described one or more select location to play the play medium data of described media data flow.
16. media data playing devices as claimed in claim 14, is characterized in that, described first represents that unit comprises packetized elementary stream, transmits the unit of data flow or quick flashing video data stream.
17. media data playing devices as claimed in claim 14, it is characterized in that, described media data playing device is mobile electronic device, also comprises:
Progress axle renderer, for the Pgmtime of the transmission data flow package according to described 3rd duplicate with reference to, the broadcasting time stamp of packetized elementary stream package of described 3rd duplicate or the time stamp of the quick flashing video data stream package of decoding time stamp or described 3rd duplicate, calculate the described length of described 3rd duplicate stored, and described first represent unit relative to the 3rd described duplicate length position.
18. media data playing devices as claimed in claim 14, it is characterized in that, when described locator receives two selected separations on described progress axle, described locator represents unit according to described two separations to find two boundary in described 3rd duplicate, and described processor play in described 3rd duplicate by described two boundary represent unit the part that defines to respond play-back command.
19. media data playing devices as claimed in claim 14, is characterized in that, also comprise:
Input unit;
Wherein, described processor, for performing a localization method, described localization method comprises:
Described processor is using the length of a part for the length of described 3rd duplicate as one first video segment of described 3rd duplicate;
Described processor, using the length of described first video segment as the first unit, performs first and skips over operation forward or backward with one second video segment obtaining described 3rd duplicate on described 3rd duplicate;
Described processor according to the operation of described input unit using the length of a part for the length of described second video segment as a sub-pieces section in described second video segment; And
Described processor is using the length of described sub-pieces section as the second unit, on described second video segment, perform second skip over operation forward or backward to obtain the described select location in described second video segment, wherein said second unit is less than described first unit.
20. media data playing devices as claimed in claim 14, it is characterized in that, described media data playing device also comprises:
Timer, for the timing scheduled period;
Input unit, operation response is to produce numeral;
Wherein said processor, is electrically connected on described timer and described input unit, and perform a localization method to play to obtain described select location, described method comprises:
Receive one first digital N from described input unit, and start described timer;
The digital N received described in response, described 3rd duplicate is the combination of multiple fragment respectively, obtains the N number of fragment in described 3rd duplicate;
Differentiate whether described timer received another the second digital M from described input unit unexpired in the past;
As described in timer expiration and the second digital M as described in not receiving, then perform one first play operation to the described N number of fragment obtained, wherein said select location is the position in described N number of fragment; And
As described in receive before timer unexpired as described in the second digital M, then described N number of fragment is the combination of multiple fragment respectively, obtain M sub-fragment in described N number of fragment, and reset described timer, and respond the described timer expiration received after described second digital M, perform one second play operation to described M sub-fragment, wherein said select location is the position in described M sub-fragment.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN102215365B (en) * | 2010-04-01 | 2013-11-06 | 鸿富锦精密工业（深圳）有限公司 | Media data playing device and playback method thereof |
| JP5970957B2 (en) * | 2012-05-18 | 2016-08-17 | ソニー株式会社 | TRANSMISSION DEVICE, TRANSMISSION METHOD, RECEPTION DEVICE, RECEPTION METHOD, PROGRAM, AND ELECTRONIC DEVICE |
| JP2015114865A (en) * | 2013-12-12 | 2015-06-22 | ソニー株式会社 | Information processor, relay computer, information processing system, and information processing program |
| KR20150093004A (en) * | 2014-02-06 | 2015-08-17 | 삼성전자주식회사 | Method for operating nonvolatile storage device and method for operating computing device accessing nonvolatile storage device |
| US11876631B2 (en) * | 2021-02-03 | 2024-01-16 | Avermedia Technologies, Inc. | Network information transmission method and network information transmission system |
| US11778211B2 (en) * | 2021-09-16 | 2023-10-03 | Apple Inc. | Parallel video parsing for video decoder processing |
| CN114727136B (en) * | 2022-03-30 | 2023-11-24 | 青岛海信宽带多媒体技术有限公司 | Intelligent set top box and position positioning method for adjusting program playing progress |
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Also Published As
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| US8270821B2 (en) | 2012-09-18 |
| CN102215365B (en) | 2013-11-06 |
| US20120308197A1 (en) | 2012-12-06 |
| US20150125129A1 (en) | 2015-05-07 |
| US9204192B2 (en) | 2015-12-01 |
| US20110243522A1 (en) | 2011-10-06 |
| US8958683B2 (en) | 2015-02-17 |
| CN103067792A (en) | 2013-04-24 |
| CN102215365A (en) | 2011-10-12 |
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